Attributes / relations provided by
♦ ¹del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ²Microcavia australis, Marcelo F. Tognelli, Claudia M. Campos, and Ricardo A. Ojeda, MAMMALIAN SPECIES No. 648, pp. 1–4 (2001)